| Description | Holmium glass filter |
|---|---|
| Primary Usage | Verify the wavelength scale of UV/Visible spectrophotometers |
| Useable Range | 241nm to 640nm, instruments with SBW of less than 10 nm |
| Physical Configuration | Stress Free glass filter mounted in anodized aluminum holder |
| NIST Traceability | Each set is supplied with a Certificate of Analysis and NIST Traceability |
| ISO Accredited | Accredited by UKAS ISO 17025, ISO Guide34 and ISO 9001 |
| Description | Holmium oxide (4%) in perchloric acid (10%) sealed in a quartz cell |
|---|---|
| Primary Usage | Verify the wavelength scale of UV/visible spectrophotometers |
| Useable Range | 240nm to 650nm, 14 traceable absorbance peaks |
| Physical Configuration | Far UV quartz cell that has been permanently sealed by heat fusion |
| NIST Traceability | Each set is supplied with a Certificate of Analysis and NIST Traceability |
| ISO Accredited | Accredited by UKAS ISO 17025, ISO Guide34 and ISO 9001 |
| Description | Didymium glass filter |
|---|---|
| Primary Usage | Verify the wavelength scale of Visible spectrophotometers |
| Useable Range | 430nm to 890nm, instruments with SBW of less than 10 nm |
| Physical Configuration | Stress Free glass filter mounted in anodized an aluminum holder |
| NIST Traceability | Each set is supplied with a Certificate of Analysis and NIST Traceability |
| ISO Accredited | Accredited by UKAS ISO 17025, ISO Guide34 and ISO 9001 |
| Description | Didymium (neodymium and praesodymium) perchloric solution permanently heat sealed in a quartz cell |
|---|---|
| Primary Usage | Verify the wavelength scale of UV/visible spectrophotometers |
| Useable Range | 290nm to 870nm, spectral bandpass of 5nm or less |
| Physical Configuration | Far UV quartz cell that has been permanently sealed by heat fusion |
| NIST Traceability | Each set is supplied with a Certificate of Analysis and NIST Traceability |
| ISO Accredited | Accredited by UKAS ISO 17025, ISO Guide34 and ISO 9001 |